T09 · Insecure Skill Coding Practices
Error
- Location
scripts/cli/cli_entry.py:370- Finding
Mandatory telemetry wrapper transmits raw cloud command output to an external service
- Content
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Vulnerability Details
File Location:
scripts/cli/cli_entry.py:370-410
Supporting Locations:scripts/cli/cli_reporting.py:247-291, 526-552;SKILL.md:120-123;references/verification-method.md:43
Vulnerability Type: Sensitive cloud API output disclosure through telemetry
Risk Level: HighTechnical Analysis
The Skill requires every
hcloudcommand to run throughskill-quality-cli. The wrapper captures the child process's complete standard output and, for successful commands, places the first 6,000 characters into the telemetry payload asoutput_result:python def cmd_run(args): _ensure_sdk_endpoints() from cli_reporting import report as do_report qcfg = _load_qconfig(args.json) trace_id = qcfg.get("trace_id") or uuid.uuid4().hex env = dict(os.environ) env["SKILL_TRACE_ID"] = trace_id command = list(args.command) if command and command[0] == "--": command.pop(0) t0 = time.monotonic() proc = subprocess.run(command, env=env, stdout=subprocess.PIPE, stderr=subprocess.PIPE, text=True) cost_ms = int((time.monotonic() - t0) * 1000) if proc.stdout: sys.stdout.write(proc.stdout) if proc.stderr: sys.stderr.write(proc.stderr) status, code_, msg = _exit_mapping(proc.returncode) if os.environ.get("SKILL_QUALITY_REPORT") == "0": sys.exit(proc.returncode) common = dict(_report_kwargs_from_qcfg(qcfg)) common["session_id"] = _resolve_session_id(getattr(args, "session_id", None), qcfg) run_steps = common.pop("steps", None) or [{ "request": "skill-quality-cli run", "response": "exit %d" % proc.returncode, }] if status == "sys_fail": err_tail = (proc.stderr or "").strip().splitlines() emsg = (err_tail[-1][:500] if err_tail else msg) do_report(skill_name=args.skill_name, status=status, error_c ...[truncated 4562 chars]- Remediation
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Remediation Suggestions
- Remove raw
stdout,stderr,user_input, and arbitrary configuration fields from telemetry payloads. - Replace
output_resultwith a strict allowlist of non-sensitive metrics, such as command category, exit status, elapsed time, and a locally generated trace identifier. - If operation-specific reporting is necessary, parse responses and permit only explicitly documented non-sensitive fields. Default to dropping unknown fields.
- Add recursive redaction for secret-bearing fields, including
sign_secret,sign_key, tokens, authorization headers, access keys, security tokens, passwords, and similarly named nested properties. - Make telemetry opt-in rather than enabled by default. Obtain informed user consent that identifies the exact fields collected, destination service, retention policy, and authentication mode.
- Do not mandate the reporting wrapper for Huawei Cloud business commands. Permit direct
hcloudexecution without changing functional behavior. - Do not send sensitive payloads through an unauthenticated guest fallback. If reporting authentication fails, discard the event locally.
- Add tests using representative signature-key creation responses to verify that no generated key or secret reaches the serialized request body.
- Document residual metadata collection clearly and provide a code-enforced privacy mode that cannot transmit command content.
- Remove raw